CN220231184U - Food heavy metal detects with leaching device - Google Patents

Food heavy metal detects with leaching device Download PDF

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Publication number
CN220231184U
CN220231184U CN202322019533.1U CN202322019533U CN220231184U CN 220231184 U CN220231184 U CN 220231184U CN 202322019533 U CN202322019533 U CN 202322019533U CN 220231184 U CN220231184 U CN 220231184U
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China
Prior art keywords
leaching
barrels
valve
stirring
driving unit
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CN202322019533.1U
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Chinese (zh)
Inventor
向俊
刘琦
陈同强
唐万里
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Hunan Institute Of Commodity Quality Inspection
Central South University
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Hunan Institute Of Commodity Quality Inspection
Central South University
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Priority to CN202322019533.1U priority Critical patent/CN220231184U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

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Abstract

The utility model provides a leaching device for detecting heavy metals in food, and relates to the field of food detection equipment. Comprises a bottom plate, a leaching component and a stirring component; the bottom plate is provided with an upright post, a liquid storage tank and a control box; the leaching assembly comprises a plurality of leaching barrels arranged on a bottom plate, a liquid storage tank is communicated with a shunt pipe, the liquid outlet end of the shunt pipe is respectively communicated with the plurality of leaching barrels, the leaching barrels are provided with a first valve, the upper sides of the leaching barrels are provided with overflow holes, the overflow holes are communicated with a sampling pipe, and the sampling pipe is provided with a second valve; the stirring assembly comprises a first driving unit and a sliding seat, wherein the first driving unit is used for driving the sliding seat to longitudinally slide on the upright post, the sliding seat is provided with a plurality of second driving units, the second driving units are located above the leaching barrels, the second driving units are connected with stirring rods, the stirring rods are rotationally provided with sealing plates, the sealing plates are provided with filter sleeves, the other ends of the filter sleeves are abutted to the bottoms of the leaching barrels, and the stirring assembly is convenient to use, improves leaching efficiency and is higher in universality.

Description

Food heavy metal detects with leaching device
Technical Field
The utility model relates to the field of food detection equipment, in particular to a leaching device for detecting heavy metals in food.
Background
The metal pollution influences the environment, the safety of food is further influenced, heavy metal is easy to accumulate in the living body through the biological amplification effect of a food chain, the toxicity is different along with the shape, the heavy metal cannot be biodegraded and eliminated, for the health of the human body, for the safety of the food, the heavy metal content of the food is required to be detected, so that the food is prevented from being eaten by the food polluted by the heavy metal, the limit of pollutants in the food is regulated in national food safety standards, the detection of the heavy metal in the food is related to various research institutions, food processing enterprises and related units, the rapid and effective detection of the heavy metal in the food is the urgent requirement of the production processing enterprises and related units, the leaching method is a relatively economic detection mode, the existing leaching device is low in efficiency, and food residues are easy to be doped in leaching liquid when the food is immersed, and the detection result is influenced.
Patent document with the publication number CN218212268U discloses a leaching device for detecting heavy metal in food, and four cavities and stirring paddles located in the cavities are opened through the inside of the leaching barrel, so that leaching work can be carried out on various foods simultaneously, leaching efficiency can be accelerated, and the efficiency of detecting heavy metal in food is improved. However, in this technical scheme, the stirring rake is when stirring, and the leaching liquor can spill the cavity in the cavity, falls into adjacent cavity and influences the testing result of other foods to this technical scheme has certain requirements to the area test food, for example some meet water and send out the filter vat bottom the filtration effect that the filtration pore of filter vat is influenced stirring quality and filter vat easily to paste food, and if in order to solve this problem enlarge the aperture of filter vat and then can influence the filter vat.
Disclosure of Invention
The utility model aims to provide a leaching device for detecting heavy metals in food, which can solve the defects of the prior art, is convenient to use, improves leaching efficiency and has stronger universality.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a leaching device for detecting heavy metals in food comprises a bottom plate, a leaching assembly and a stirring assembly;
the bottom plate is provided with an upright post, a liquid storage tank and a control box;
the leaching assembly comprises a plurality of leaching barrels arranged on the bottom plate, the liquid storage tank is communicated with a shunt pipe, the liquid outlet end of the shunt pipe is respectively communicated with the plurality of leaching barrels, a first valve is arranged at the joint of the shunt pipe and the leaching barrels, an overflow hole is formed in the upper side of the leaching barrels, the overflow hole is communicated with a sampling pipe, and a second valve is arranged on the sampling pipe;
the stirring assembly comprises a first driving unit and a sliding seat, wherein the first driving unit is used for driving the sliding seat to longitudinally slide on the side face of the upright post, the sliding seat is provided with a plurality of second driving units, the second driving units are respectively located above the leaching barrels, the output end of each second driving unit is connected with a stirring rod, the stirring rod is rotationally provided with a sealing plate, the sealing plate is abutted with the top end of the leaching barrel, a filtering sleeve is fixedly arranged on one side of the sealing plate, facing the inside of the leaching barrel, and the other end of the filtering sleeve is abutted with the bottom of the leaching barrel.
Further, in an embodiment of the present utility model, the stirring rod includes a rod body and a stirring paddle disposed at a bottom side of the rod body, and the stirring paddle is located inside the filter sleeve.
Further, in one embodiment of the utility model, an annular sealing member is arranged on one side of the filter sleeve, which faces the bottom plate, an annular groove is formed in the bottom of the leaching barrel, and the annular sealing member is positioned in the annular groove.
Further, in one embodiment of the utility model, a cleaning hole communicated with the annular groove is formed on the side wall of the leaching barrel, and a drain pipe is communicated with the cleaning hole.
Further, in an embodiment of the present utility model, the stirring rod is detachably connected to the output end of the second driving unit.
Further, in an embodiment of the present utility model, the first valve and the second valve are solenoid valves, and the first valve, the second valve, the first driving unit, and the second driving unit are electrically connected to the control box.
Further, in one embodiment of the present utility model, the bottom plate is provided with a plurality of placement grooves for accommodating the leaching tank.
The utility model has at least the following advantages or beneficial effects:
1) Through puddler, closure plate, filter sleeve and leaching barrel, the mode of combining overflow formula play liquid has reduced the interference of food waste to the extraction process, has promoted extraction efficiency and to the compatibility of food sample. The utility model has convenient use, improves the leaching efficiency and has stronger universality.
2) Through can dismantle the connection between above-mentioned puddler and the above-mentioned second drive unit, reduced the clearance degree of difficulty of filter sleeve and leaching bucket, promote the convenience.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of an embodiment of the present utility model;
FIG. 2 is a top view of an embodiment of the present utility model;
fig. 3 is a schematic structural view of a leaching tank according to an embodiment of the present utility model.
Icon: 1. a bottom plate; 2. a column; 3. a liquid storage tank; 4. a control box; 5. a leaching barrel; 6. a wiring tube; 7. a shunt; 8. a sampling tube; 9. a first driving unit; 10. a sliding seat; 11. a second driving unit; 12. a stirring rod; 13. a closing plate; 14. a filter sleeve; 15. an annular seal; 16. cleaning the hole; 17. a drain pipe; 18. and (5) placing a groove.
Detailed Description
Examples
Referring to fig. 1-3, the present embodiment provides a leaching device for detecting heavy metals in food, which includes a base plate 1, a leaching assembly and a stirring assembly;
the bottom plate 1 is provided with an upright post 2, a liquid storage tank 3 and a control box 4;
the leaching assembly comprises a plurality of leaching barrels 5 arranged on the bottom plate 1, the liquid storage tank 3 is communicated with a shunt pipe 7, the liquid outlet end of the shunt pipe 7 is respectively communicated with the plurality of leaching barrels 5, a first valve is arranged at the joint of the shunt pipe 7 and the leaching barrels 5, an overflow hole is arranged on the upper side of the leaching barrels 5, the overflow hole is communicated with a sampling pipe 8, and the sampling pipe 8 is provided with a second valve;
the stirring assembly comprises a first driving unit 9 and a sliding seat 10, wherein the first driving unit 9 is used for driving the sliding seat 10 to longitudinally slide on the side surface of the upright post 2, the sliding seat 10 is provided with a plurality of second driving units 11, the second driving units 11 are respectively positioned above the leaching barrels 5, the output end of each second driving unit 11 is connected with a stirring rod 12, the stirring rod 12 is rotatably provided with a sealing plate 13, the sealing plate 13 is abutted with the top end of the leaching barrel 5, one side of the sealing plate 13 facing the inside of the leaching barrel 5 is fixedly provided with a filtering sleeve 14, and the other end of the filtering sleeve 14 is abutted with the bottom of the leaching barrel 5.
In one embodiment of the utility model, before use, the first valve and the second valve are both closed, the sliding seat 10 is located on the upper side of the upright 2, i.e. the stirring rod 12 is located on the outer side of the leaching tank 5, in use, the food sample is placed in the central position of the bottom of the leaching tank 5 (the inner side of the filtering sleeve 14), then the sliding seat 10 is driven by the first driving unit 9 to slide downwards along the upright 2, the bottom end of the filtering sleeve 14 on the closing plate 13 is contacted with the bottom of the leaching tank 5, at this time, the closing plate 13, the filtering sleeve 14 and the bottom of the leaching tank 5 jointly form a stirring space, the food sample is limited in the stirring space (the stirring space at this point is a part of the inner space of the leaching tank 5), the first valve is opened, the leaching solution is filled into the leaching tank 5 and is ensured to be higher than the overflow hole, then the second driving unit 11 is started to drive the stirring rod 12, after stirring is completed, the second valve is opened for a period of time, the sample solution flows out of the outlet 8 to an external collecting container, then a corresponding label is attached, and the detection of the corresponding food is performed according to the detection of the target food batch. In the above process, the interference of food residues to the leaching process is reduced by the way of the filter sleeve 14 and overflow liquid, the leaching efficiency is improved, and the compatibility to food is better. The utility model has convenient use, improves the leaching efficiency and has stronger universality.
It should be noted that, the first valve and the second valve may be manual valves or electric control valves, so as to achieve a cut-off function; the first driving unit 9 may include any mechanism capable of performing a linear reciprocating motion in the prior art, for example, a synchronous belt type linear module, a ball screw type linear module, a linear motor type linear module, a telescopic mechanism, etc., and may be capable of driving the slider seat to reciprocate on the upright 2; the second driving unit 11 may include a mechanism with a rotary output, such as a pulley and a driving motor, which can drive the stirring rod 12 to rotate; the stirring rod 12 is rotatably connected with the sealing plate 13 through a bearing, namely, the inner ring and the outer ring of the bearing are respectively connected with the stirring rod 12 and the sealing plate 13. Preferably, the sliding seat 10 is provided with a wiring pipe 6, so as to avoid electric accidents. The proportions of the various elements illustrated in the drawings have been exaggerated in the drawings for the sake of clarity and may, of course, be adapted as necessary and desirable.
In one embodiment of the present utility model, the stirring rod 12 includes a rod body and a stirring paddle disposed at a bottom side of the rod body, and the stirring paddle is located inside the filtering sleeve 14, so that stirring efficiency is improved.
In one embodiment of the utility model, the filter sleeve 14 is provided with an annular seal 15 on the side facing the bottom plate 1, the bottom of the leaching tank 5 is provided with an annular groove, and the annular seal 15 is located in the annular groove.
In the above embodiment, the annular sealing member 15 is a double-layer rubber sealing strip, the structure of the double-layer rubber sealing strip is equivalent to that of the double-layer rubber sealing strip in the prior art which is unfolded after being sheared, the double-layer rubber sealing strip is glued and fixed at the bottom of the filtering sleeve 14, and two protruding parts of the double-layer rubber sealing strip are contacted with the bottom of the annular groove to prevent food samples from directly escaping from the stirring space.
In one embodiment of the utility model, a cleaning hole 16 communicated with the annular groove is formed on the side wall of the leaching barrel 5, and a drain pipe 17 is communicated with the cleaning hole 16.
In the above embodiment, after one leaching is completed, the filter sleeve 14 and the inside of the leaching barrel 5 need to be cleaned, and the cleaning hole 16 and the drain hole are designed to clean the inside of the leaching barrel 5 without detaching the leaching barrel 5, so that the detection efficiency is improved, and the residue of the leaching operation is prevented from affecting the accuracy of the next leaching operation.
In one embodiment of the present utility model, the stirring rod 12 is detachably connected to the output end of the second driving unit 11.
In the above embodiment, the stirring rod 12 and the second driving unit 11 are detachably connected through a coupling, so that the cleaning difficulty of the filtering sleeve 14 and the leaching tank 5 is further reduced, and convenience is improved.
In one embodiment of the present utility model, the first valve and the second valve are solenoid valves, and the first valve, the second valve, the first driving unit 9, and the second driving unit 11 are electrically connected to the control box 4.
In the above embodiment, the first valve and the second valve are both electromagnetic valves, alternatively, in order to better realize automatic detection, a time relay may be arranged in the control box 4 or liquid level sensors may be arranged in the liquid storage box 3 and the leaching tank 5, so as to reduce the degree of dependence of the utility model on manpower.
In one embodiment of the utility model, the base plate 1 is provided with a plurality of slots 18 for receiving the leaching cartridge 5.
In the above embodiment, the placement groove 18 realizes the detachable connection of the leaching tank 5 and the bottom plate 1, and has a limit effect, and can prevent the relative offset of the leaching tank 5 and the stirring rod 12 corresponding to the leaching tank.
In summary, the embodiment of the utility model provides a leaching device for detecting heavy metals in food, which has at least the following technical effects:
1) Before use, the first valve and the second valve are both in a closed state, the sliding seat 10 is positioned on the upper side of the upright post 2, namely, the stirring rod 12 is positioned on the outer side of the leaching barrel 5, when in use, a food sample is placed at the center position of the bottom of the leaching barrel 5 (the inner side of the filtering sleeve 14), then the first driving unit 9 drives the sliding seat 10 to slide downwards along the upright post 2, the bottom end of the filtering sleeve 14 on the closing plate 13 is contacted with the bottom of the leaching barrel 5, at the moment, the closing plate 13, the filtering sleeve 14 and the bottom of the leaching barrel 5 jointly form a stirring space, the food sample is limited in the stirring space (the stirring space at the moment is a part of the inner space of the leaching barrel 5), the first valve is opened, the leaching liquid is filled into the leaching barrel 5 and is ensured to be higher than the overflow hole, the second driving unit 11 is started to drive the stirring rod 12 to stir, after the stirring is finished, the second driving unit is kept still for a period, the sample liquid flows out of the discharging tube 8 to an external collecting container, and then corresponding labels are attached, and the food sample is correspondingly detected in batches according to the detection index of a target food. In the above process, the interference of food residues to the leaching process is reduced by the way of the filter sleeve 14 and overflow liquid, the leaching efficiency is improved, and the compatibility to food is better. The utility model has convenient use, improves the leaching efficiency and has stronger universality.
2) The stirring rod 12 is detachably connected with the second driving unit 11, so that the cleaning difficulty of the filtering sleeve 14 and the leaching barrel 5 is reduced, and the convenience is improved.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. The leaching device for detecting the heavy metals in the food is characterized by comprising a bottom plate, a leaching assembly and a stirring assembly;
the bottom plate is provided with an upright post, a liquid storage tank and a control box;
the leaching assembly comprises a plurality of leaching barrels arranged on the bottom plate, the liquid storage tank is communicated with a shunt pipe, the liquid outlet end of the shunt pipe is respectively communicated with the plurality of leaching barrels, a first valve is arranged at the joint of the shunt pipe and the leaching barrels, an overflow hole is formed in the upper side of the leaching barrels, the overflow hole is communicated with a sampling pipe, and a second valve is arranged on the sampling pipe;
the stirring assembly comprises a first driving unit and a sliding seat, wherein the first driving unit is used for driving the sliding seat to longitudinally slide on the side face of the upright post, the sliding seat is provided with a plurality of second driving units, the second driving units are respectively located above the leaching barrels, the output end of each second driving unit is connected with a stirring rod, the stirring rod is rotationally provided with a sealing plate, the sealing plate is abutted to the top end of the leaching barrel, the sealing plate faces to one side of the inside of the leaching barrel, and a filtering sleeve is fixedly arranged at the other end of the filtering sleeve and abutted to the bottom of the leaching barrel.
2. The leaching device for detecting heavy metals in food according to claim 1, wherein the stirring rod comprises a rod body and a stirring paddle arranged at the bottom side of the rod body, and the stirring paddle is positioned at the inner side of the filtering sleeve.
3. The leaching device for detecting heavy metals in foods according to claim 1, wherein an annular sealing member is arranged on one side of the filter sleeve, which faces the bottom plate, and an annular groove is formed in the bottom of the leaching barrel, and the annular sealing member is positioned in the annular groove.
4. A leaching device for detecting heavy metals in food according to claim 3, wherein the side wall of the leaching barrel is provided with a cleaning hole communicated with the annular groove, and the cleaning hole is communicated with a drain pipe.
5. The leaching device for detecting heavy metals in food according to claim 1, wherein the stirring rod is detachably connected with the output end of the second driving unit.
6. The leaching device for detecting heavy metals in food according to claim 1, wherein the first valve and the second valve are electromagnetic valves, and the first valve, the second valve, the first driving unit and the second driving unit are electrically connected with the control box.
7. The leaching device for detecting heavy metals in food according to claim 1, wherein the bottom plate is provided with a plurality of placing grooves for accommodating the leaching tank.
CN202322019533.1U 2023-07-28 2023-07-28 Food heavy metal detects with leaching device Active CN220231184U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322019533.1U CN220231184U (en) 2023-07-28 2023-07-28 Food heavy metal detects with leaching device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322019533.1U CN220231184U (en) 2023-07-28 2023-07-28 Food heavy metal detects with leaching device

Publications (1)

Publication Number Publication Date
CN220231184U true CN220231184U (en) 2023-12-22

Family

ID=89187660

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322019533.1U Active CN220231184U (en) 2023-07-28 2023-07-28 Food heavy metal detects with leaching device

Country Status (1)

Country Link
CN (1) CN220231184U (en)

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